Home / 38,022,940.51-52,471,685.57-20,619,281.32

Finding the Fourth Proportional to 38,022,940.51, 52,471,685.57 and 20,619,281.32

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Solution

The fourth proportional to 38,022,940.51, 52,471,685.57 and 20,619,281.32 is: 28,454,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022,940.51 : 52,471,685.57 = 20,619,281.32 : x
  2. Step 2: Convert to fraction form
    38,022,940.51/52,471,685.57 = 20,619,281.32/x
  3. Step 3: Cross multiply
    38,022,940.51x = 52,471,685.57 × 20,619,281.32
  4. Step 4: Simplify right side
    38,022,940.51x = 1,081,928,445,868,138.88
  5. Step 5: Solve for x
    x = 1,081,928,445,868,138.88/38,022,940.51
  6. Step 6: Final answer
    x = 28,454,623.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.